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Don't Get Clever
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avdi
July 20, 2013
1
390
Don't Get Clever
Part of the Ruby Rogues live panel episode at Lone Star Ruby Conference 2013.
avdi
July 20, 2013
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Transcript
Don't Get Clever Avdi Grimm
Pop quiz r e q u i r e '
p s t o r e ' s t o r e = P S t o r e . n e w ( ' d a t a . p s t o r e ' ) s t o r e . t r a n s a c t i o n ( t r u e ) d o # . . . e n d
Pop quiz 2 A r r a y . i
n s t a n c e _ m e t h o d s ( f a l s e )
Symbols are truthy r e q u i r e
' p s t o r e ' s t o r e = P S t o r e . n e w ( ' d a t a . p s t o r e ' ) s t o r e . t r a n s a c t i o n ( : r e a d _ o n l y ) d o # . . . e n d
Clever!
What's : r e a d _ o n l
y ?? s t o r e . t r a n s a c t i o n ( : r e a d _ o n l y ) d o # . . . e n d
Dead end s t o r e . t r
a n s a c t i o n ( : c h u n k y _ b a c o n ) d o # . . . e n d
Negation A r r a y . i n s
t a n c e _ m e t h o d s ( ! : i n c l u d e _ s u p e r )
Don't get clever
Intention-revealing argument r e a d _ o n l
y = t r u e s t o r e . t r a n s a c t i o n ( r e a d _ o n l y ) d o # . . . e n d
Intention-revealing argument i n c l u d e _
s u p e r = f a l s e A r r a y . i n s t a n c e _ m e t h o d s ( i n c l u d e _ s u p e r )
Inline version A r r a y . i n
s t a n c e _ m e t h o d s ( i n c l u d e _ s u p e r = f a l s e )
Don't get clever